{"id":"CVE-2004-1461","aliases":["EUVD-2004-1457","GHSA-5224-x825-p35j"],"status":"published","title":"Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP...","description":"Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01679,"percentile":0.77052,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:07:45Z","products":[{"vendor":"cisco","product":"secure_access_control_server"},{"vendor":"cisco","product":"secure_acs_solution_engine"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/17118","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/11047","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20040825-acs.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-1461"},{"url":"https://github.com/advisories/GHSA-5224-x825-p35j"}],"sources":{"cve":[{"id":"CVE-2004-1461","description":"Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.","status":"published","published":"2005-02-13T05:00:00Z","modified":"2024-08-08T00:53:23.999Z","updated_at":"2026-11-02T14:34:54.398187Z"}],"euvd":[{"id":"EUVD-2004-1457","description":"Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.","status":"published","published":"2005-02-13T05:00:00Z","modified":"2024-08-08T00:53:23Z","updated_at":"2026-11-03T01:15:14.640916Z"}],"ghsa":[{"id":"GHSA-5224-x825-p35j","title":"Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP...","description":"Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.","status":"published","published":"2022-04-29T02:59:37Z","modified":"2023-01-30T05:03:24Z","updated_at":"2026-11-02T14:46:50.018589Z"}],"nvd":[{"id":"CVE-2004-1461","description":"Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:07:45.03Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:51.985436Z"}]}}